The BUNN 40400.0003 is a double-walled metal mug designed for durability and insulation. With a capacity of 0.43 liters (14.5 oz.), it is perfect for enjoying your favorite hot or cold beverages. Made from high-quality stainless steel, this mug offers excellent heat retention while keeping the exterior cool to the touch. Its sleek design ensures a comfortable grip, making it an ideal companion for both home and on-the-go use.